PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74903Valve,regulating,fluid Pressure

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 4820-01-370-9850 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-370-9850 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-370-9850. Primary manufacturer part number: 74903.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Supplementary Features: COGNIZANT SERVICE - ROYAL AUSTRALIAN NAVY
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-370-9850, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-370-9850
Primary Part Number74903
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
Supplementary FeaturesCOGNIZANT SERVICE - ROYAL AUSTRALIAN NAVY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5342-00-299-106474903 INTERCHANGEABLE
Retainer,spring
Triumph Engine Control Systems Llc
2640-00-801-3117 INTERCHANGEABLE
Valve,pneumatic Tire
Cross-Reference Index
Part NumberManufacturer
74903 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
5342-00-299-1064INTERCHANGEABLE
RETAINER,SPRING
74903
2640-00-801-3117INTERCHANGEABLE
VALVE,PNEUMATIC TIRE

Frequently Asked Questions

What is NSN 4820-01-370-9850?

NSN 4820-01-370-9850 is a Valve,regulating,fluid Pressure, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-370-9850?

NSN 4820-01-370-9850 has 1 cross-referenced part number: 74903 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 4820-01-370-9850?

There are 2 known substitutes for 4820-01-370-9850: 5342-00-299-1064, 2640-00-801-3117. Verify interchangeability with system specifications before substitution.

What are the specifications of 74903?

Key specifications for 74903: End Item Identification: FFG GUIDED MISSILE FRIGATE; Supplementary Features: COGNIZANT SERVICE - ROYAL AUSTRALIAN NAVY. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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